The answer is: Cities
Approximately, around 80% of united states population live in the cities. This happen because most of job opportunities that exist in united states (whether it's art, technology, or manufacturing) are located in the cities.
Because of this, even people who born in rural areas start to move to inner cities in order to find jobs and sustain their living.
I think it’s both ice cores and tree rings
McCulloch v<span>. </span>Maryland<span> (1819) is one of the first and most important </span>Supreme Court cases<span> on federal power. In this </span>case<span>, the </span>Supreme Court<span> held that Congress has implied powers derived from those listed in Article I, Section 8. The “Necessary and Proper” Clause gave Congress the power to </span>establish<span> a national bank.</span>
Peter the great accomplished many things. he brought western influence into Russia. He reduced the influence of Boyars, cut off beards and made them wear clothing that did not cover the legs. He converted to Christianity and the first to bring Russia out of isolation. He traded with other western countries.
Muhammad is Arabic and plz explain more on your question
